Peadar O Briain

Peadar O Briain was a Sinn Fein TD. O Briain was a supporter of Michael Collins and voted in favor of the ratification of the 1921 Anglo-Irish Treaty, and he applauded Collins when he told Cathal Brugha that he would be willing to blacken his own reputation if it meant that Ireland could become a free country. O Briain joined the Fine Gael party after the Irish Civil War.